From owner-svn-src-stable-12@freebsd.org Sat May 4 11:07:37 2019 Return-Path: Delivered-To: svn-src-stable-12@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id D5019158A5CC; Sat, 4 May 2019 11:07:36 +0000 (UTC) (envelope-from tuexen@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 7842E85032; Sat, 4 May 2019 11:07:36 +0000 (UTC) (envelope-from tuexen@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4CB867707; Sat, 4 May 2019 11:07:36 +0000 (UTC) (envelope-from tuexen@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x44B7aUs030107; Sat, 4 May 2019 11:07:36 GMT (envelope-from tuexen@FreeBSD.org) Received: (from tuexen@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x44B7aQT030106; Sat, 4 May 2019 11:07:36 GMT (envelope-from tuexen@FreeBSD.org) Message-Id: <201905041107.x44B7aQT030106@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: tuexen set sender to tuexen@FreeBSD.org using -f From: Michael Tuexen Date: Sat, 4 May 2019 11:07:36 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r347103 - stable/12/sys/netinet X-SVN-Group: stable-12 X-SVN-Commit-Author: tuexen X-SVN-Commit-Paths: stable/12/sys/netinet X-SVN-Commit-Revision: 347103 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 7842E85032 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.95 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.95)[-0.953,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-stable-12@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for only the 12-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 04 May 2019 11:07:37 -0000 Author: tuexen Date: Sat May 4 11:07:35 2019 New Revision: 347103 URL: https://svnweb.freebsd.org/changeset/base/347103 Log: MFC r344724: Allow SCTP stream reconfiguration operations only in ESTABLISHED state. This issue was found by running syzkaller. Modified: stable/12/sys/netinet/sctp_usrreq.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/netinet/sctp_usrreq.c ============================================================================== --- stable/12/sys/netinet/sctp_usrreq.c Sat May 4 11:05:57 2019 (r347102) +++ stable/12/sys/netinet/sctp_usrreq.c Sat May 4 11:07:35 2019 (r347103) @@ -4631,6 +4631,12 @@ sctp_setopt(struct socket *so, int optname, void *optv SCTP_TCB_UNLOCK(stcb); break; } + if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + break; + } if (sizeof(struct sctp_reset_streams) + strrst->srs_number_streams * sizeof(uint16_t) > optsize) { error = EINVAL; @@ -4745,6 +4751,12 @@ sctp_setopt(struct socket *so, int optname, void *optv SCTP_TCB_UNLOCK(stcb); break; } + if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + break; + } if (stcb->asoc.stream_reset_outstanding) { SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY); error = EALREADY; @@ -4812,6 +4824,12 @@ sctp_setopt(struct socket *so, int optname, void *optv */ SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP); error = EOPNOTSUPP; + SCTP_TCB_UNLOCK(stcb); + break; + } + if (SCTP_GET_STATE(stcb) != SCTP_STATE_OPEN) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; SCTP_TCB_UNLOCK(stcb); break; }